6044021561 has 2 divisors, whose sum is σ = 6044021562. Its totient is φ = 6044021560.

The previous prime is 6044021471. The next prime is 6044021569. The reversal of 6044021561 is 1651204406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5637757225 + 406264336 = 75085^2 + 20156^2 .

It is a cyclic number.

It is not a de Polignac number, because 6044021561 - 2¹⁰ = 6044020537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6044021569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3022010780 + 3022010781.

It is an arithmetic number, because the mean of its divisors is an integer number (3022010781).

Almost surely, 2^6044021561 is an apocalyptic number.

It is an amenable number.

6044021561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6044021561 is an equidigital number, since it uses as much as digits as its factorization.

6044021561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6044021561 is about 77743.3055703190. The cubic root of 6044021561 is about 1821.5537953629.

Adding to 6044021561 its reverse (1651204406), we get a palindrome (7695225967).

The spelling of 6044021561 in words is "six billion, forty-four million, twenty-one thousand, five hundred sixty-one".